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    <h1>
      <a href="../../index.html">All files</a> / <a href="index.html">app/lib</a> controller.class.js
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    <div class='clearfix'>
      <div class='fl pad1y space-right2'>
        <span class="strong">91.84% </span>
        <span class="quiet">Statements</span>
        <span class='fraction'>45/49</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">86.67% </span>
        <span class="quiet">Branches</span>
        <span class='fraction'>13/15</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">93.75% </span>
        <span class="quiet">Functions</span>
        <span class='fraction'>15/16</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">91.84% </span>
        <span class="quiet">Lines</span>
        <span class='fraction'>45/49</span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">const fs = require('fs');
const co = require('co');
const path = require('path');
const assert = require('assert');
const common = require('./../common');
&nbsp;
module.exports = class Controller {
&nbsp;
    constructor(ctx, next) {
&nbsp;
        assert(ctx, 'SyntaxError: missing super(ctx) call in constructor');
        assert(next, 'SyntaxError: missing super(next) call in constructor');
&nbsp;
        this.ctx = ctx;
        this.next = next;
&nbsp;
        for (let name in ctx) {
            if (typeof ctx[name] !== 'function') {
                Object.defineProperty(this, name, {
                    get: () =&gt; {
                        return this.ctx[name];
                    },
                    set: value =&gt; {
                        this.ctx[name] = value;
                    }
                });
            } else {
                if (common.isGeneratorFunction(ctx[name])) {
                    this[name] = co.wrap(ctx[name]).bind(ctx);
                } else {
                    this[name] = ctx[name];
                }
            }
        }
&nbsp;
        for (let name in koahub.common) {
<span class="cstat-no" title="statement not covered" >            if (!this[name]) {</span>
<span class="cstat-no" title="statement not covered" >                this[name] = koahub.common[name];</span>
            } else {
<span class="cstat-no" title="statement not covered" >                throw new Error(`Don\'t use the "${name}" method in the common.js`);</span>
            }
        }
    }
&nbsp;
    get hook() {
        return koahub.hook;
    }
&nbsp;
<span class="fstat-no" title="function not covered" >    ge</span>t config() {
<span class="cstat-no" title="statement not covered" >        return koahub.config;</span>
    }
&nbsp;
    isGet() {
&nbsp;
        if (this.ctx.method === 'GET') {
            return true;
        }
        return false;
    }
&nbsp;
    isPost() {
&nbsp;
        if (this.ctx.method === 'POST') {
            return true;
        }
        return false;
    }
&nbsp;
    isAjax() {
        return this.ctx.get('X-Requested-With') === 'XMLHttpRequest';
    }
&nbsp;
    isPjax() {
        return this.ctx.get('X-PJAX') || false;
    }
&nbsp;
    isMethod(method) {
        return this.ctx.method === method.toUpperCase();
    }
&nbsp;
    view(data) {
        this.ctx.body = data;
    }
&nbsp;
    json(data, msg, code) {
&nbsp;
        let body = {};
&nbsp;
        switch (arguments.length) {
            case 1:
                body = {
                    data: data,
                }
                break;
            case 2:
                body = {
                    data: data,
                    msg: msg,
                }
                break;
            case 3:
                body = {
                    data: data,
                    msg: msg,
                    code: code
                }
                break;
        }
&nbsp;
        this.view(body);
    }
&nbsp;
    success(data, msg) {
        this.json(data, msg, 1);
    }
&nbsp;
    error(data, msg) {
        this.json(data, msg, 0);
    }
&nbsp;
    download(file) {
&nbsp;
        const filename = path.relative(path.dirname(file), file);
&nbsp;
        this.ctx.set('Content-disposition', 'attachment; filename=' + filename);
        this.view(fs.createReadStream(file));
    }
&nbsp;
    async action(path, ...args) {
        return await common.runHttp(Object.assign(this.ctx, {path: path}), this.next, ...args);
    }
}</pre></td></tr>
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